Cylindrical evaporative cooler



FIG. 1 is a top perspective view of a cylindrical evaporative cooler, showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a top view thereof; and

FIG. 5 is a bottom view thereof. 

The ornamental design for cylindrical evaporative cooler, as shown. 